918dbcba4e
Provide a set of functions to control state of pins dedicated to IrDA. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* linux/arch/arm/mach-pxa/pxa2xx.c
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*
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* code specific to pxa2xx
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*
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* Copyright (C) 2008 Dmitry Baryshkov
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <asm/arch/mfp-pxa2xx.h>
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#include <asm/arch/mfp-pxa25x.h>
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#include <asm/arch/irda.h>
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static unsigned long pxa2xx_mfp_fir[] = {
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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};
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static unsigned long pxa2xx_mfp_sir[] = {
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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};
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static unsigned long pxa2xx_mfp_off[] = {
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GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
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GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
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};
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void pxa2xx_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF) {
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pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
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} else if (mode & IR_SIRMODE) {
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pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
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} else if (mode & IR_FIRMODE) {
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pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
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} else
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BUG();
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}
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